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Pakistan
This Week in AsiaPolitics

Trump’s nuclear test claims about Pakistan puzzle arms control experts

Pakistan firmly denies the claim, as analysts fear Trump’s unverified accusations could unleash a chain reaction of nuclear testing

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US President Donald Trump claims Pakistan has resumed underground nuclear testing, alongside China, Russia and North Korea. Photo: TNS
Tom Hussain
US President Donald Trump’s claim that Pakistan has resumed underground nuclear testing – alongside China, Russia and North Korea – has been met with scepticism by arms control experts and denials from the countries named, raising concerns about the credibility and consequences of Washington’s nuclear posture.
Pakistan, which has not conducted a nuclear explosion since 1998, issued a firm rebuttal, with a senior security official telling CBS News the country “was not the first to carry out nuclear tests and will not be the first to resume nuclear tests”.

Trump’s assertion, aired in a 60 Minutes interview on Sunday, was met with disbelief by non-proliferation analysts who said it misrepresented the current state of nuclear weapons testing and risked inflaming regional tensions.

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Islamabad has observed a self-declared moratorium on testing for more than two decades, while all the other nations Trump named have denied conducting recent tests.

Experts warn that by conflating non-explosive system trials and sub-critical experiments with full-scale detonations, Trump risks eroding long-standing test bans and destabilising deterrence frameworks at a time of rising geopolitical rivalry.

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“The problem is none of the countries he named has openly tested nuclear weapons in years,” said Ludovica Castelli, project manager of the non-proliferation and disarmament programme at the Institute of International Affairs think tank in Rome.

“The only country to have tested a nuke in the 21st century is North Korea, which has observed a self-declared moratorium since 2018,” Castelli told This Week in Asia.

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